The cookie challenge is one of the latest trends to go viral on TikTok. In the challenge, parents test how willing their child is to share a cookie. Typically, two adults and one young child each have ...

To help others judge, the original poster outlined the full cookie with a red circle and drew a cross down the middle to aid in calculations. She also explained in the comments that they had just ...

After Hilary Bergman came across the cookie challenge on TikTok, she tells PEOPLE she and her husband Michael decided to try ...